diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..55ec8d7
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,2 @@
+[tool.black]
+line-length = 120
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..6deafc2
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,2 @@
+[flake8]
+max-line-length = 120